A/C problems!!! blows hot and cold sometimes!!
Thread Starter
Burning Brakes
Joined: Sep 2007
Posts: 1,092
Likes: 23
A/C problems!!! blows hot and cold sometimes!!
my c6 a/c compressor clicks on and it still blows hot air ..when i have both temps on 60 degrees, driver side blows fan temp air and the pass blows hot air..sometimes they both blow hot air...then there are times where if i cut it on it would start to blow cold and after a while it fades back in to warm..what the hell is goin on....,its driving me 
Le Mans Master
Joined: Dec 2004
Posts: 5,493
Likes: 809
From: West coast CA
my c6 a/c compressor clicks on and it still blows hot air ..when i have both temps on 60 degrees, driver side blows fan temp air and the pass blows hot air..sometimes they both blow hot air...then there are times where if i cut it on it would start to blow cold and after a while it fades back in to warm..what the hell is goin on....,its driving me
You're probably low on refrigerant. If so, it's easy enough to replace, but you'll want to make sure that the root cause isn't a big leak. A small leak at the compressor (that takes years to notice) is normal.
Race Director
Joined: Oct 2005
Posts: 14,555
Likes: 1,255
From: Saint Albans, WV
Le Mans Master
Joined: Dec 2004
Posts: 5,493
Likes: 809
From: West coast CA
You don't hear about it as much any more. Perhaps the supplier fixed whatever was wrong with the part.
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Thread Starter
Burning Brakes
Joined: Sep 2007
Posts: 1,092
Likes: 23
Have you been seeing other weird characters on the HVAC console? If it starts doing that, the console unit needs replacing. That happened to me a few years ago and the parts guy at the dealer said they'd been changing them right and left under warranty.
You don't hear about it as much any more. Perhaps the supplier fixed whatever was wrong with the part.
You don't hear about it as much any more. Perhaps the supplier fixed whatever was wrong with the part.
Thread Starter
Burning Brakes
Joined: Sep 2007
Posts: 1,092
Likes: 23
im still suffering from this problem,when i get down on the car and go fast it starts to blow a little and sometimes start to blow regular for a while..im wondering if its a vaccumm problem of some sort..any help or diagram plz...if anyone may have 1....or some sort of info
Instructor
Joined: Aug 2007
Posts: 146
Likes: 0
From: Aliquippa Pa.
I had the same problem last summer, my fix was to change the ambient temp. sensor because my outside temp. on the console would read way higher than it was outside ,one day it was 88 outside my temp reading was 110 when it would do that it would blow hot air. I changed that and t-stat witch I already put in the 160 but changed it again. I'm not a fan of dexcool antifreeze there has been a lot of issues for GM over its use, I never heard if it effects the newer Vettes or not. I hav'nt had an issue with it since doing that.
